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Gravel sizes · Updated

Gravel for a driveway or patio: chart by size

Eleven common sizes at a 4 inch depth. Each links to a page with 2, 3, 4, 6 and 8 inch depths.

A 50 × 12 ft driveway at 4 inches needs about 8.2 cubic yards or 11.4 tons of gravel with 10% extra. A 12 × 12 ft patio base at 4 inches needs about 2.7 tons.

Chart at 4 inches deep (+10% extra)

Gravel by driveway and patio size
SizeCubic yardsTonsDelivered cost0.5 ft³ bags
20 × 10 ft driveway2.73.8$280147
24 × 12 ft driveway3.95.5$348212
50 × 10 ft driveway6.89.5$550367
50 × 12 ft driveway8.211.4$618440
100 × 12 ft driveway16.322.8$1,135880
20 × 20 ft driveway5.47.6$460294
10 × 10 ft patio base1.41.9$19074
12 × 12 ft patio base2.02.7$235106
12 × 16 ft patio base2.63.6$280141
14 × 14 ft patio base2.73.7$280144
16 × 16 ft patio base3.54.9$325188
Cubic yards = length (ft) × width (ft) × depth (in) ÷ 324, plus 10% Tons = cubic yards × 1.4 (typical crushed stone)

Densities range from about 1.3 to 1.5 tons per yard, so ask your supplier. See cubic yards to tons and gravel for a driveway.

FAQ

How many tons of gravel in a cubic yard?

About 1.4 tons for crushed stone, so 10 cubic yards is about 14 tons.

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